Mason jar lid



FIG. 1 is a top perspective view of a mason jar lid showing my newdesign;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a top perspective view of a mason jar lid showing in an openposition.

The broken lines in the drawings depict portions of the mason jar lidthat form no part of the claimed design.

CLAIM The ornamental design for a mason jar lid, as shown and described.